Fixes #11456 - Improve the description of an example.

[sdwheeler]

PR Summary

Improve the description of an example.

• Fixes AB#323449
• Fixes misleading description in example 2 #11456

PR Checklist

• Descriptive Title: This PR's title is a synopsis of the changes it proposes.
• Summary: This PR's summary describes the scope and intent of the change.
• Contributor's Guide: I have read the contributors guide.
• Style: This PR adheres to the style guide.

[learn-build-service-prod]

Learn Build status updates of commit bcd09c2:

✅ Validation status: passed

File	Status	Preview URL	Details
reference/5.1/Microsoft.PowerShell.LocalAccounts/Enable-LocalUser.md	✅Succeeded	View (powershell-5.1)

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